Then 4.3 mm Magic Drill is used at #15. When a 5x9 mm dummy implant is placed mesial to the osteotomy, it slides partially into the palatal socket of #14 (data not shown). When a smaller dummy implant (4.5x11 mm) finds the original osteotomy, the trajectory is acceptable (Fig.4).
Xin Wei, DDS, PhD, MS 1st edition 12/20/2016, last revision 12/20/2016